Lightning early warning device for coal mine

Abstract

The utility model provides a lightning early warning device for a coal mine, which comprises a first monitoring module, a second monitoring module, a lightning protection module and a lightning alarm module, the first monitoring module is respectively in communication connection with the lightning protection module and the lightning alarm module, and the second monitoring module is in communication connection with the lightning protection module and the lightning alarm module; the first monitoring module comprises an energy detection sub-module, a trend pre-judgment sub-module, a temperature and humidity detection sub-module and a lightning stroke frequency detection sub-module; the second monitoring module is used for monitoring the running state of the lightning protection module; the lightning protection module is used for blocking lightning stroke energy and neutralizing the lightning stroke energy; the thunder and lightning alarm module is used for sending out a first alarm and / or a second alarm according to the lightning stroke energy and / or the operation state of the lightning protection module. According to the utility model, the lightning condition and the lightning protection equipment are monitored in real time, and the lightning disaster early warning and lightning protection disaster reduction performance is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lightning protection and relates to a lightning early warning device for coal mines. Background Art

[0002] Lightning is a violent discharge phenomenon in nature. The lightning disaster caused by it is listed as one of the top ten natural disasters by the United Nations. The serious harm to modern social life has attracted great attention from all walks of life to lightning protection work. Strengthening the promotion of lightning protection and disaster reduction warning equipment and lightning protection module installation will help reduce equipment losses and casualties caused by lightning strikes.

[0003] The damage caused by lightning is divided into direct lightning damage and induced lightning damage. Direct lightning damage refers to the damage caused by lightning directly hitting the target, such as building damage, forest fires, oil depot explosions, casualties, etc.; induced lightning damage refers to the damage caused to nearby electronic equipment, communication equipment, etc. by the powerful lightning electromagnetic pulse during the lightning discharge process. This disaster often causes serious economic losses and is also the main form of lightning disasters in economically developed areas.

[0004] As the degree of automation control in coal mines increases, lightning strikes during thunderstorm seasons not only cause great damage to coal mine fixed facilities and electromechanical equipment, but also cause greater harm to coal mine automation control systems. At present, the protection capability of weak current systems in coal mine production against lightning is relatively low, lightning inspection is difficult and time-consuming, and it is easy to miss inspections and fail to detect them in place, resulting in untimely and inaccurate information, making it impossible to ensure the normal operation of equipment in real time and handle abnormal situations in a timely manner.

[0005] Therefore, how to achieve timely lightning warning is very important for improving the lightning protection capability of coal mine systems. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a lightning warning device for coal mines, which can monitor lightning conditions and lightning protection equipment in real time, conduct multi-factor, all-round and high-precision lightning foresight observations on coal mine systems, and improve lightning disaster warning and lightning protection and mitigation performance.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides a lightning early warning device for coal mines, comprising a first monitoring module, a second monitoring module, a lightning protection module and a lightning alarm module, wherein the first monitoring module is communicatively connected to the lightning protection module and the lightning alarm module respectively, and the second monitoring module is communicatively connected to the lightning protection module and the lightning alarm module; the first monitoring module comprises an energy detection submodule, a trend prediction submodule, a temperature and humidity detection submodule and a lightning strike number detection submodule; the second monitoring module is used for monitoring the operating state of the lightning protection module; the lightning protection module is used for blocking lightning strike energy and neutralizing lightning strike energy; the lightning alarm module is used for respectively issuing a first alarm and / or a second alarm according to the lightning strike energy and / or the operating state of the lightning protection module.

[0009] In the utility model, the energy detection submodule is used to monitor the lightning energy, the trend prediction submodule is used to detect the lightning movement trend within a predetermined time period, and predict the lightning trend within a future predetermined time period, the temperature and humidity detection submodule is used to detect the temperature and humidity in the environment, and the lightning strike number detection submodule is used to detect the number of lightning strikes and the time of each lightning strike. Based on the above-mentioned lightning occurrence, the lightning alarm module is triggered to issue a first alarm. At the same time, the second monitoring module is used to monitor the operating status of the lightning protection module to trigger the lightning alarm module to issue a second alarm, so as to monitor the lightning situation and lightning protection equipment in real time, and conduct multi-factor, all-round and high-precision lightning prediction observation on the coal mine system, thereby improving the lightning disaster warning and lightning protection and disaster reduction performance.

[0010] As a preferred technical solution of the present utility model, the first monitoring module also includes a risk assessment sub-module, the input end of the risk assessment sub-module is communicatively connected to the energy detection sub-module, the trend prediction sub-module, the temperature and humidity detection sub-module and the lightning strike number detection sub-module, and the output end of the risk assessment sub-module is communicatively connected to the lightning protection module and the lightning alarm module.

[0011] As an optimal technical solution of the present utility model, the risk assessment submodule includes a data receiving section, an integrated analysis section and a data transmission section. The integrated analysis section is respectively connected to the data receiving section and the data transmission section. The data receiving section is respectively communicatively connected to the energy detection submodule, the trend prediction submodule, the temperature and humidity detection submodule and the lightning strike number detection submodule. The data transmission section is respectively communicatively connected to the lightning protection module and the lightning alarm module.

[0012] As a preferred technical solution of the present utility model, the second monitoring module includes a current detection submodule, a voltage detection submodule, a life detection submodule and a data processing submodule. The input end of the data processing submodule is communicatively connected to the current detection submodule, the voltage detection submodule and the life detection submodule respectively, and the output end of the data processing submodule is communicatively connected to the lightning alarm module; the current detection submodule, the voltage detection submodule and the life detection submodule are also independently communicatively connected to the lightning protection module.

[0013] The current detection submodule described in the utility model is used to detect the power supply current of the lightning protection module; the voltage detection submodule is used to detect the power supply voltage of the lightning protection module; the life detection submodule is used to detect the life cycle status of the lightning protection module and predict the life of the lightning protection module; the data processing submodule determines whether the lightning protection module is aged, faulty or damaged, and its service life based on the operation status of the above-mentioned lightning protection module, and promptly triggers the lightning alarm module to perform a second alarm, so as to promptly check the problem and improve the lightning protection effect of the coal mine.

[0014] As a preferred technical solution of the utility model, the lightning protection module includes a lightning strike protection submodule, a lightning strike neutralization submodule and a residual pressure release submodule. The lightning strike protection submodule is used to block lightning strike energy, the lightning strike neutralization submodule is used to neutralize high-voltage lightning strike energy, and the residual pressure release submodule is used to release residual pressure energy that is not completely neutralized.

[0015] As a preferred technical solution of the utility model, the lightning protection submodule includes a voltage-limiting lightning protector and / or a switch-type lightning protector; the lightning neutralization submodule includes an electromagnetic neutralizer; and the residual pressure release submodule is grounded to release residual pressure energy to the ground.

[0016] As a preferred technical solution of the utility model, the lightning protection module also includes a power supply submodule, which is used to supply power to the lightning protection submodule, the lightning neutralization submodule and the residual pressure release submodule respectively, and the power supply submodule is also communicatively connected to the second monitoring module.

[0017] As a preferred technical solution of the utility model, the lightning alarm module includes a first early warning submodule and a second early warning submodule. The first early warning submodule is communicatively connected to the first monitoring module. The first early warning submodule is used to issue the first alarm according to the lightning strike energy. The second early warning submodule is communicatively connected to the second monitoring module and is used to issue the second alarm according to the operating status of the lightning protection module.

[0018] As a preferred technical solution of the present utility model, the first early warning submodule and the second early warning submodule independently include sound and light alarms.

[0019] As an optimal technical solution of the utility model, the lightning warning device for coal mines also includes a control terminal and a cloud server that are communicatively connected, and the control terminal is communicatively connected to the first monitoring module, the second monitoring module, the lightning protection module and the lightning alarm module respectively.

[0020] It should be noted that the modules described in the present invention realize corresponding functions through a combination or logical connection of conventional connection lines, communication equipment, detectors or controllers in the field. The present invention does not further limit the connection method, specific structure and model of the module, as long as the relevant functions can be realized.

[0021] The control terminal of the utility model serves as a terminal for operation and monitoring by operation and maintenance personnel. A complete communication network is established in the entire inspection area to realize data interaction and upload it to the cloud server for recording and storage.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The utility model provides a lightning early warning device for coal mines, which triggers a lightning alarm module to issue a first alarm by monitoring lightning energy, lightning movement trends within a predetermined time period, lightning trends within a future predetermined time period, temperature and humidity in the environment, the number of lightning strikes and the time of each lightning strike. At the same time, by real-time monitoring of the operating status of the lightning protection module, the lightning alarm module is triggered to issue a second alarm, thereby realizing multi-factor, all-round and high-precision lightning foresight observation of the coal mine system, and improving lightning disaster early warning and lightning protection and disaster reduction performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A connection diagram of a lightning warning device for coal mines provided by a specific embodiment of the utility model;

[0025] Figure 2 A block diagram of a lightning warning device for coal mines provided in a specific implementation manner of the utility model.

[0026] Among them, 1-first monitoring module; 101-energy detection submodule; 102-trend prediction submodule; 103-temperature and humidity detection submodule; 104-lightning strike detection submodule; 105-risk assessment submodule; 1051-data receiving module; 1052-integration analysis module; 1053-data transmission module; 2-second monitoring module; 201-current detection submodule; 202-voltage detection submodule; 203-life detection submodule; 204-data processing submodule; 3-lightning protection module; 301-lightning protection submodule; 302-lightning neutralization submodule; 303-residual pressure release submodule; 304-power supply submodule; 4-lightning alarm module; 401-first early warning submodule; 402-second early warning submodule; 5-control terminal; 6-cloud server. DETAILED DESCRIPTION

[0027] It should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly indicate the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0028] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0030] In a specific embodiment, the utility model provides a lightning warning device for coal mines, including a first monitoring module 1, a second monitoring module 2, a lightning protection module 3 and a lightning alarm module 4. Figure 1 As shown, the first monitoring module 1 is respectively connected to the lightning protection module 3 and the lightning alarm module 4 for communication, and the second monitoring module 2 is connected to the lightning protection module 3 and the lightning alarm module 4 for communication; Figure 2As shown, the first monitoring module 1 includes an energy detection submodule 101, a trend prediction submodule 102, a temperature and humidity detection submodule 103 and a lightning strike number detection submodule 104; the second monitoring module 2 is used to monitor the operating status of the lightning protection module 3; the lightning protection module 3 is used to block lightning energy and neutralize lightning energy; the lightning alarm module 4 is used to issue a first alarm and / or a second alarm according to the lightning energy and / or the operating status of the lightning protection module 3.

[0031] The energy detection submodule 101 is used to monitor lightning energy, the trend prediction submodule 102 is used to detect the lightning movement trend within a predetermined time period and predict the lightning trend within a future predetermined time period, the temperature and humidity detection submodule 103 is used to detect the temperature and humidity in the environment, and the lightning strike number detection submodule 104 is used to detect the number of lightning strikes and the time of each lightning strike. Based on the above-mentioned lightning occurrence, the lightning alarm module 4 is triggered to issue a first alarm; at the same time, the second monitoring module 2 is used to monitor the operating status of the lightning protection module 3 to trigger the lightning alarm module 4 to issue a second alarm, so as to monitor the lightning situation and lightning protection equipment in real time.

[0032] In some embodiments, the first monitoring module 1 further includes a risk assessment submodule 105, such as Figure 2 As shown, the input end of the risk assessment submodule 105 is respectively communicatively connected to the energy detection submodule 101, the trend prediction submodule 102, the temperature and humidity detection submodule 103 and the lightning strike number detection submodule 104, and the output end of the risk assessment submodule 105 is respectively communicatively connected to the lightning protection module 3 and the lightning alarm module 4.

[0033] Specifically, the risk assessment submodule 105 includes a data receiving module 1051, an integrated analysis module 1052 and a data transmission module 1053. The integrated analysis module 1052 is respectively connected to the data receiving module 1051 and the data transmission module 1053. The data receiving module 1051 is respectively communicatively connected to the energy detection submodule 101, the trend prediction submodule 102, the temperature and humidity detection submodule 103 and the lightning strike number detection submodule 104. The data transmission module 1053 is respectively communicatively connected to the lightning protection module 3 and the lightning alarm module 4.

[0034] During the application process, the data receiving module 1051 receives real-time parameter signals such as lightning strike energy, lightning movement trend within a predetermined time period, lightning trend within a future predetermined time period, temperature and humidity in the environment, number of lightning strikes and time of each lightning strike, and transmits them to the risk assessment submodule 105; the risk assessment submodule 105 presets risk thresholds corresponding to different parameter signals to determine whether the real-time parameter signal exceeds the corresponding risk threshold, and integrates and processes to obtain an assessment result; when the assessment result reaches the risk threshold, an alarm instruction is output and transmitted to the lightning alarm module 4 through the data transmission module 1053, thereby triggering the lightning alarm module 4 to issue a first alarm.

[0035] In some embodiments, Figure 2 As shown, the second monitoring module 2 includes a current detection submodule 201, a voltage detection submodule 202, a life detection submodule 203 and a data processing submodule 204, the input end of the data processing submodule 204 is communicatively connected to the current detection submodule 201, the voltage detection submodule 202 and the life detection submodule 203 respectively, and the output end of the data processing submodule 204 is communicatively connected to the lightning alarm module 4; the current detection submodule 201, the voltage detection submodule 202 and the life detection submodule 203 are also independently communicatively connected to the lightning protection module 3. The current detection submodule 201 is used to detect the power supply current of the lightning protection module 3; the voltage detection submodule 202 is used to detect the power supply voltage of the lightning protection module 3; the life detection submodule 203 is used to detect the life cycle status of the lightning protection module 3 and predict the life of the lightning protection module 3; the data processing submodule 204 is preset with alarm thresholds of different parameter signals, based on the operation status of the above-mentioned lightning protection module 3, it is judged whether the lightning protection module 3 is aged, faulty or damaged, and the service life status, and the lightning alarm module 4 is triggered in time to perform a second alarm, so as to timely detect problems and improve the lightning protection effect of coal mines.

[0036] In some embodiments, Figure 2 As shown, the lightning protection module 3 includes a lightning protection submodule 301, a lightning neutralization submodule 302 and a residual pressure release submodule 303. The lightning protection submodule 301 is used to block lightning energy, the lightning neutralization submodule 302 is used to neutralize high-voltage lightning energy, and the residual pressure release submodule 303 is used to release residual pressure energy that is not completely neutralized. Specifically, the lightning protection submodule 301 includes a voltage-limiting lightning protector and / or a switch-type lightning protector; the lightning neutralization submodule 302 includes an electromagnetic neutralizer; and the residual pressure release submodule 303 is grounded to release residual pressure energy to the ground.

[0037] In some embodiments, the lightning protection module 3 further includes a power supply submodule 304, which is used to supply power to the lightning protection submodule 301, the lightning neutralization submodule 302, and the residual pressure release submodule 303, respectively, and the power supply submodule 304 is also communicatively connected to the second monitoring module 2. During application, it is necessary to ensure the normal operation of the lightning protection submodule 301, the lightning neutralization submodule 302, and the residual pressure release submodule 303, that is, to ensure continuous power supply, so as to block and neutralize lightning in time when there is a risk of lightning strike, improve the lightning defense capability of the coal mine system, and ensure production capacity.

[0038] In some embodiments, Figure 2 As shown, the lightning alarm module 4 includes a first early warning submodule 401 and a second early warning submodule 402, wherein the first early warning submodule 401 is communicatively connected to the first monitoring module 1, and the first early warning submodule 401 is used to issue the first alarm according to the lightning energy, and the second early warning submodule 402 is communicatively connected to the second monitoring module 2, and is used to issue the second alarm according to the operating state of the lightning protection module 3. Specifically, the first early warning submodule 401 and the second early warning submodule 402 independently include sound and light alarms.

[0039] In some embodiments, Figure 2 As shown, the coal mine lightning warning device also includes a control terminal 5 and a cloud server 6 that are communicatively connected, and the control terminal 5 is respectively communicatively connected to the first monitoring module 1, the second monitoring module 2, the lightning protection module 3 and the lightning alarm module 4. The control terminal 5 is used as a terminal for operation and monitoring by the operation and maintenance personnel, and a complete communication network is established in the entire inspection area to realize data interaction, and upload to the cloud server 6 for remote recording and storage.

[0040] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A lightning warning device for coal mines, characterized in that: It includes a first monitoring module, a second monitoring module, a lightning protection module and a lightning alarm module, wherein the first monitoring module is respectively connected to the lightning protection module and the lightning alarm module in communication, and the second monitoring module is connected to the lightning protection module and the lightning alarm module in communication; The first monitoring module includes an energy detection submodule, a trend prediction submodule, a temperature and humidity detection submodule, and a lightning strike number detection submodule; the second monitoring module includes a current detection submodule, a voltage detection submodule, a life detection submodule and a data processing submodule, the input end of the data processing submodule is communicatively connected to the current detection submodule, the voltage detection submodule and the life detection submodule respectively, and the output end of the data processing submodule is communicatively connected to the lightning alarm module; the current detection submodule, the voltage detection submodule and the life detection submodule are also independently communicatively connected to the lightning protection module for monitoring the operating status of the lightning protection module; the lightning protection module is used to block lightning strike energy and neutralize lightning strike energy; the lightning alarm module includes a first early warning submodule and a second early warning submodule, the first early warning submodule is communicatively connected to the first monitoring module, the first early warning submodule is used to issue a first alarm according to the lightning strike energy, and the second early warning submodule is communicatively connected to the second monitoring module for issuing a second alarm according to the operating status of the lightning protection module.

2. The lightning warning device for coal mine according to claim 1, characterized in that: The first monitoring module also includes a risk assessment submodule, the input end of the risk assessment submodule is communicatively connected to the energy detection submodule, the trend prediction submodule, the temperature and humidity detection submodule and the lightning strike number detection submodule, and the output end of the risk assessment submodule is communicatively connected to the lightning protection module and the lightning alarm module.

3. The lightning warning device for coal mine according to claim 2, characterized in that: The risk assessment submodule includes a data receiving section, an integrated analysis section and a data transmission section. The integrated analysis section is respectively connected to the data receiving section and the data transmission section. The data receiving section is respectively communicatively connected to the energy detection submodule, the trend prediction submodule, the temperature and humidity detection submodule and the lightning strike number detection submodule. The data transmission section is respectively communicatively connected to the lightning protection module and the lightning alarm module.

4. The coal mine lightning warning device according to claim 1, characterized in that: The lightning protection module includes a lightning protection submodule, a lightning neutralization submodule and a residual pressure release submodule. The lightning protection submodule is used to block lightning energy, the lightning neutralization submodule is used to neutralize high-voltage lightning energy, and the residual pressure release submodule is used to release residual pressure energy that is not completely neutralized.

5. The lightning warning device for coal mine according to claim 4, characterized in that: The lightning protection submodule includes a voltage-limiting lightning protector and / or a switch-type lightning protector; The lightning neutralization submodule includes an electromagnetic neutralizer; The residual pressure release submodule is grounded to release residual pressure energy to the ground.

6. The coal mine lightning warning device according to claim 4, characterized in that: The lightning protection module also includes a power supply submodule, which is used to supply power to the lightning protection submodule, the lightning neutralization submodule and the residual pressure release submodule respectively, and the power supply submodule is also communicatively connected to the second monitoring module.

7. The lightning warning device for coal mine according to claim 1, characterized in that: The first early warning submodule and the second early warning submodule independently include sound and light alarms.

8. The coal mine lightning warning device according to claim 1, characterized in that: The coal mine lightning warning device also includes a control terminal and a cloud server that are communicatively connected, and the control terminal is communicatively connected to the first monitoring module, the second monitoring module, the lightning protection module and the lightning alarm module respectively.

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